Which technique i need to use in my setup

I'm trying to share my internet connection to another PC via wireless device. Which technique can i use for it.

Topo:-

Internet <-> PC(A) <--> WD (B) <--> WD (C) <--> PC(D)

PC = Windows XP (OS)WD = Wireless device Access Point / Bridge

In the above topology, i need to share my internet connection from (A) PC to (B) PC through wireless device, I have plan to establish the internet sharing between two PC, In which mode Access Point/ Bridge mode is adequate for this wireless device to make connection and internet sharing between the PC

Yeap, I'm using both devices on my network, modem has been used for up link internet connection and the two wireless routers are using for share the internet connection to the another site of the PC, In this scenario which mode i have to apply in the router, whether it is AP or bridge mode?....

The information on Computing.Net is the opinions of its users. Such
opinions may not be accurate and they are to be used at your own risk.
Computing.Net cannot verify the validity of the statements made on this
site. Computing.Net and Compnet Ventures, LLC hereby disclaim all responsibility
and liability for the content of Computing.Net and its accuracy.